AB > BC .........(1) ⇒AZ+ZB>BX+XC BZ=BX Remember: Length of tangents drawn from an external point to a circle is equal. ∴ AZ > XC.....(2) Adding (1) and (2), we get AB+AZ>BC+XC Hence, statement I is incorrect AZ= AY (tangents drawn from an external point Hence, statement II is correct